America's mood of day inferred from Twitter

Northeastern University and Harvard College researchers studying characteristics and dynamics of Twitter "fed about 300 million tweets to a system using ANEW (Affective Norms for English Words, from the University of Florida), which assigns a positive or negative emotional value to words. They then mapped the results onto a tweet density preserving US map, which […]

Northeastern University and Harvard College researchers studying characteristics and dynamics of Twitter "fed about 300 million tweets to a system using ANEW (Affective Norms for English Words, from the University of Florida), which assigns a positive or negative emotional value to words. They then mapped the results onto a tweet density preserving US map, which makes land masses larger relative to the amount of tweets its population generates.

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